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Solar heating and cooling demonstration act hearings, Ninety-third Congress, first session, on H.R. 10952 et al
- "Solar heating and cooling demonstration act hearings, Ninety-third Congress, first session, on H.R. 10952 et al"@en
- "Solar heating and cooling demonstration act: hearings, Ninety-third Congress, first session, on H.R. 10952 et al., November 13, 14, 15, 1973"